About: http://webisa.webdatacommons.org/281764521

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The top surface of the semiconductor substrate 20 is entirely covered by a first layer 22 of insulating material, for example silica.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com